ArticleVeterinary surgery : VS2025
Complications of medial retropharyngeal, axillary, and ilio-sacral lymphadenectomy in 127 dogs with malignant tumors.
Article in Veterinary surgery : VS, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Comparison of Morbidity Between Sentinel Lymph Node Biopsy and Elective Neck Dissection in Dogs With Head and Neck Malignancies.Veterinary and comparative oncology · 2026Article
- Complications of medial retropharyngeal, axillary, and ilio-sacral lymphadenectomy in 127 dogs with malignant tumors.Veterinary surgery : VS · 2025Article
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10 authors.
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Abstract
objectiveTo describe the complications of medial retropharyngeal, axillary, and ilio-sacral lymphadenectomy in dogs with malignant tumors, and to identify possible risk factors. STUDY
designRetrospective cohort study. ANIMALS: A total of 140 surgical accesses (86 axillary, 27 ilio-sacral, 27 retropharyngeal) in 127 dogs.
methodsDogs with cutaneous/subcutaneous cancer undergoing staging, lymph node (LN) mapping and extirpation of medial retropharyngeal, axillary, and/or ilio-sacral LNs, with a minimum follow-up of 1 month, were included. Retrieved information included signalment, tumor histotype, LN characteristics, excision of contiguous LNs, anesthesia duration, intra- and postoperative complications. Data were statistically analyzed to identify risk factors for complication development.
resultsIntraoperative complications were registered in 3/140 (2%) procedures, including hemorrhage during medial iliac lymphadenectomy (2/27, 7%) and difficulty locating the axillary LN (1/86, 1%). Postoperative complications occurred in 32/140 (23%) cases, with rates of 41% (11/27) following ilio-sacral lymphadenectomy, 26% (7/27) after medial retropharyngeal lymphadenectomy, and 16% (14/86) following axillary lymphadenectomy. Ilio-sacral lymphadenectomy presented a higher risk of intraoperative (p = .033) and postoperative complications (p = .020). Enlarged (p = .030) or metastatic (p = .030) LNs were more prone to develop intraoperative complications. No risk factor retained significance on multivariate analysis. Median follow-up, conducted through physical examination, was 225 days (range, 30-1735).
conclusionMedial retropharyngeal and axillary lymphadenectomies were generally safe, associated with minor and easily manageable complications. Conversely, ilio-sacral lymphadenectomy carried a higher risk of intraoperative complications, particularly in cases with enlarged LNs, and postoperative complications, potentially related to the caudal laparotomic approach. CLINICAL SIGNIFICANCE: Lymphadenectomies of medial retropharyngeal, axillary, and ilio-sacral lymph nodes present relatively low complication rates.
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